Create Global Caché iTach IP2IR integration documentation

[orandasoft]

Added integration for Global Caché iTach IP2IR to control infrared devices in Home Assistant.

Proposed change

Type of change

• Spelling, grammar or other readability improvements (current branch).
• Adjusted missing or incorrect information in the current documentation (current branch).
• Added documentation for a new integration I'm adding to Home Assistant (next branch).
  • I've opened up a PR to add logos and icons in Brands repository.
• Added documentation for a new feature I'm adding to Home Assistant (next branch).
• Removed stale or deprecated documentation.

Additional information

• Link to parent pull request in the codebase: Add iTach IP2IR infrared integration using pyitach library core#172811
• Link to parent pull request in the Brands repository:
• This PR fixes or closes issue: fixes #

Checklist

• This PR uses the correct branch, based on one of the following:
  • I made a change to the existing documentation and used the current branch.
  • I made a change that is related to an upcoming version of Home Assistant and used the next branch.
• The documentation follows the Home Assistant documentation standards.

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[home-assistant]

It seems that this PR is targeted against an incorrect branch since it has a parent PR on one of our codebases. Documentation that needs to be updated for an upcoming release should target the next branch. Please change the target branch of this PR to next and rebase if needed.

[c0ffeeca7]

Thank you for contributing, 👍

As this PR is related to a code PR, please rebase and point this PR against the next branch.

If you do not want to rebase, try the following

1. Close this PR.
2. Switch to the next branch, and pull the latest changes from next.
3. Create your branch from there, add your changes and push them to GH against the next branch.

Check out the documentation on creating a new integration page: https://developers.home-assistant.io/docs/documenting/create-page

and the template: https://github.com/home-assistant/home-assistant.io/blob/current/source/_integrations/_integration_docs_template.markdown?plain=1

[orandasoft]

Apologies. Let me close this draft pull request and submit a new pull request based on the next branch.